Use of Computed Tomography of the Head in Patients With Acute Atraumatic Altered Mental Status: A Systematic Review and Meta-analysis. - Acharya R; Kafle S; Shrestha DB; Sedhai YR; Ghimire M; Khanal K; Malla QB; Nepal U; Shrestha R; Giri B (JAMA network open, 2022)